LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034

HP 04

M.Sc. DEGREE EXAMINATION – MEDICAL LAB. TECH.

THIRD SEMESTER – APRIL 2007

ML 3902 – PATHOGENS OF HUMAN IMPORTANCE

 

 

 

Date & Time: 28/04/2007 / 9:00 – 12:00      Dept. No.                                        Max. : 100 Marks

 

 

Section –A

Answer all the questions                                                          2X10=20marks

1. Distinguish bacteremia from septicemia
2. Mention the most frequent types of hospital-acquired infections.
3. Expand the abbreviations of the following.

MMR, HSV, DPT, CFT.

1. Draw the structure of Streptococcus pyogenes and add a note on morphology.
2. List any four diseases caused by Rickettsial species.
3. Distinguish encystation from excystation.
4. List any four clinical features of Wuchereria bancrofti.
5. Mention the enzymes and their activity in Streptococcus pyogenes.
6. Distinguish virulence and invasiveness.
7. What are the clinical features of poliovirus?

Section-B

Answer any four of the following                                           4X10=40marks

 

1. Explain the pathogenesis and clinical conditions of Shigella dysenteriae.
2. What are the physical methods of sterilization? Explain filtration techniques in detail.
3. Describe in detail the measures to prevent hospital-acquired infections.
4. Discuss the clinical features of H.influenzae
5. Draw and explain the life cycle of Taenia solium.
6. Explain the spread of community-acquired infections.

Section-C

Answer any two of the following                                           2X20=40marks.

 

17. Describe the life cycle of malarial parasite with suitable diagrams.
18. Describe in detail the pathogenesis and clinical features of AIDS.
19. Explain in detail the streptococcal infection.
20. Write a detailed account on the control and prevention of hospital-acquired infections.

 

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